{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852812,-0.522217,0.000000,0.000000,0.269498,-0.440107,0.856549,0.000000,-0.446501,0.729164,0.518610,0.000000,-2850414.515170,4654898.587174,3288586.551405,1],    "boundingVolume": {    "region": [2.120156,0.545140,2.120334,0.545310,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_21606.b3dm"}}}